But Star’s sources say that not only is the “back together” story a cheap publicity stunt meant to promote the latest Twilight movie but that he’ll never take Kristen, 22, back because she’s broken his heart again— by telling friends he’s a lousy lover! insiders dish that after the cheating scandal with Rupert Sanders broke, Kristen confided to pals that the married man gave her more sexual pleasure than her live-in boyfriend of three years.